#include "wifi_board.h"
#include "display/lcd_display.h"
#include "audio_codecs/es8311_audio_codec.h"
#include "application.h"
#include "button.h"
#include "led/circular_strip.h"
#include "iot/thing_manager.h"
#include "config.h"
#include "assets/lang_config.h"
#include "font_awesome_symbols.h"

#include <esp_lcd_panel_vendor.h>
#include <wifi_station.h>
#include <esp_log.h>
#include <driver/i2c_master.h>
#include <driver/spi_common.h>
#include <esp_lcd_panel_io.h>
#include <esp_lcd_panel_ops.h>
#include <esp_lcd_gc9a01.h>

#include "power_manager.h"
#include "power_save_timer.h"

#define TAG "magiclick_2p5"

LV_FONT_DECLARE(font_puhui_16_4);
LV_FONT_DECLARE(font_awesome_16_4);

class GC9107Display : public SpiLcdDisplay {
public:
    GC9107Display(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_t panel,
                int width, int height, int offset_x, int offset_y, bool mirror_x, bool mirror_y, bool swap_xy)
        : SpiLcdDisplay(panel_io, panel, width, height, offset_x, offset_y, mirror_x, mirror_y, swap_xy, 
                    {
                        .text_font = &font_puhui_16_4,
                        .icon_font = &font_awesome_16_4,
                        .emoji_font = font_emoji_32_init(),
                    }) {
    }
};

static const gc9a01_lcd_init_cmd_t gc9107_lcd_init_cmds[] = {
    //  {cmd, { data }, data_size, delay_ms}
    {0xfe, (uint8_t[]){0x00}, 0, 0},
    {0xef, (uint8_t[]){0x00}, 0, 0},
    {0xb0, (uint8_t[]){0xc0}, 1, 0},
    {0xb1, (uint8_t[]){0x80}, 1, 0},
    {0xb2, (uint8_t[]){0x27}, 1, 0},
    {0xb3, (uint8_t[]){0x13}, 1, 0},
    {0xb6, (uint8_t[]){0x19}, 1, 0},
    {0xb7, (uint8_t[]){0x05}, 1, 0},
    {0xac, (uint8_t[]){0xc8}, 1, 0},
    {0xab, (uint8_t[]){0x0f}, 1, 0},
    {0x3a, (uint8_t[]){0x05}, 1, 0},
    {0xb4, (uint8_t[]){0x04}, 1, 0},
    {0xa8, (uint8_t[]){0x08}, 1, 0},
    {0xb8, (uint8_t[]){0x08}, 1, 0},
    {0xea, (uint8_t[]){0x02}, 1, 0},
    {0xe8, (uint8_t[]){0x2A}, 1, 0},
    {0xe9, (uint8_t[]){0x47}, 1, 0},
    {0xe7, (uint8_t[]){0x5f}, 1, 0},
    {0xc6, (uint8_t[]){0x21}, 1, 0},
    {0xc7, (uint8_t[]){0x15}, 1, 0},
    {0xf0,
    (uint8_t[]){0x1D, 0x38, 0x09, 0x4D, 0x92, 0x2F, 0x35, 0x52, 0x1E, 0x0C,
                0x04, 0x12, 0x14, 0x1f},
    14, 0},
    {0xf1,
    (uint8_t[]){0x16, 0x40, 0x1C, 0x54, 0xA9, 0x2D, 0x2E, 0x56, 0x10, 0x0D,
                0x0C, 0x1A, 0x14, 0x1E},
    14, 0},
    {0xf4, (uint8_t[]){0x00, 0x00, 0xFF}, 3, 0},
    {0xba, (uint8_t[]){0xFF, 0xFF}, 2, 0},
};

class magiclick_2p5 : public WifiBoard {
private:
    i2c_master_bus_handle_t codec_i2c_bus_;
    Button main_button_;
    Button left_button_;
    Button right_button_;
    GC9107Display* display_;

    PowerSaveTimer* power_save_timer_;
    PowerManager* power_manager_;

    esp_lcd_panel_io_handle_t panel_io = nullptr;
    esp_lcd_panel_handle_t panel = nullptr;


    void InitializePowerManager() {
        power_manager_ = new PowerManager(GPIO_NUM_48);
        power_manager_->OnChargingStatusChanged([this](bool is_charging) {
            if (is_charging) {
                power_save_timer_->SetEnabled(false);
            } else {
                power_save_timer_->SetEnabled(true);
            }
        });
    }

    void InitializePowerSaveTimer() {
        power_save_timer_ = new PowerSaveTimer(240, 60, -1);
        power_save_timer_->OnEnterSleepMode([this]() {
            ESP_LOGI(TAG, "Enabling sleep mode");
            display_->SetChatMessage("system", "");
            display_->SetEmotion("sleepy");
            GetBacklight()->SetBrightness(1);
        });
        power_save_timer_->OnExitSleepMode([this]() {
            display_->SetChatMessage("system", "");
            display_->SetEmotion("neutral");
            GetBacklight()->RestoreBrightness();
        });
         
        power_save_timer_->SetEnabled(true);
    }

    void InitializeCodecI2c() {
        // Initialize I2C peripheral
        i2c_master_bus_config_t i2c_bus_cfg = {
            .i2c_port = I2C_NUM_0,
            .sda_io_num = AUDIO_CODEC_I2C_SDA_PIN,
            .scl_io_num = AUDIO_CODEC_I2C_SCL_PIN,
            .clk_source = I2C_CLK_SRC_DEFAULT,
            .glitch_ignore_cnt = 7,
            .intr_priority = 0,
            .trans_queue_depth = 0,
            .flags = {
                .enable_internal_pullup = 1,
            },
        };
        ESP_ERROR_CHECK(i2c_new_master_bus(&i2c_bus_cfg, &codec_i2c_bus_));
    }

    void InitializeButtons() {
        main_button_.OnClick([this]() {
            auto& app = Application::GetInstance();
            if (app.GetDeviceState() == kDeviceStateStarting && !WifiStation::GetInstance().IsConnected()) {
                ResetWifiConfiguration();
            }
        });
        main_button_.OnPressDown([this]() {
            power_save_timer_->WakeUp();
            Application::GetInstance().StartListening();
        });
        main_button_.OnPressUp([this]() {
            Application::GetInstance().StopListening();
        });

        left_button_.OnClick([this]() {
            power_save_timer_->WakeUp();
            auto& app = Application::GetInstance();
            if (app.GetDeviceState() == kDeviceStateStarting && !WifiStation::GetInstance().IsConnected()) {
                ResetWifiConfiguration();
            }
            auto codec = GetAudioCodec();
            auto volume = codec->output_volume() - 10;
            if (volume < 0) {
                volume = 0;
            }
            codec->SetOutputVolume(volume);
            GetDisplay()->ShowNotification(Lang::Strings::VOLUME + std::to_string(volume));
        });

        left_button_.OnLongPress([this]() {
            power_save_timer_->WakeUp();
            GetAudioCodec()->SetOutputVolume(0);
            GetDisplay()->ShowNotification(Lang::Strings::MUTED);
        });

        right_button_.OnClick([this]() {
            power_save_timer_->WakeUp();
            auto codec = GetAudioCodec();
            auto volume = codec->output_volume() + 10;
            if (volume > 100) {
                volume = 100;
            }
            codec->SetOutputVolume(volume);
            GetDisplay()->ShowNotification(Lang::Strings::VOLUME + std::to_string(volume));
        });

        right_button_.OnLongPress([this]() {
            power_save_timer_->WakeUp();
            GetAudioCodec()->SetOutputVolume(100);
            GetDisplay()->ShowNotification(Lang::Strings::MAX_VOLUME);
        });
    }

    void InitializeLedPower() {
        // 设置GPIO模式
        gpio_reset_pin(BUILTIN_LED_POWER);
        gpio_set_direction(BUILTIN_LED_POWER, GPIO_MODE_OUTPUT);
        gpio_set_level(BUILTIN_LED_POWER, BUILTIN_LED_POWER_OUTPUT_INVERT ? 0 : 1);
    }

    void InitializeSpi() {
        spi_bus_config_t buscfg = {};
        buscfg.mosi_io_num = DISPLAY_SDA_PIN;
        buscfg.miso_io_num = GPIO_NUM_NC;
        buscfg.sclk_io_num = DISPLAY_SCL_PIN;
        buscfg.quadwp_io_num = GPIO_NUM_NC;
        buscfg.quadhd_io_num = GPIO_NUM_NC;
        buscfg.max_transfer_sz = DISPLAY_WIDTH * DISPLAY_HEIGHT * sizeof(uint16_t);
        ESP_ERROR_CHECK(spi_bus_initialize(SPI3_HOST, &buscfg, SPI_DMA_CH_AUTO));
    }

    void InitializeGc9107Display(){
        // esp_lcd_panel_io_handle_t panel_io = nullptr;
        // esp_lcd_panel_handle_t panel = nullptr;
        // 液晶屏控制IO初始化
        ESP_LOGD(TAG, "Install panel IO");
        esp_lcd_panel_io_spi_config_t io_config = {};
        io_config.cs_gpio_num = DISPLAY_CS_PIN;
        io_config.dc_gpio_num = DISPLAY_DC_PIN;
        io_config.spi_mode = 0;
        io_config.pclk_hz = 40 * 1000 * 1000;
        io_config.trans_queue_depth = 10;
        io_config.lcd_cmd_bits = 8;
        io_config.lcd_param_bits = 8;
        ESP_ERROR_CHECK(esp_lcd_new_panel_io_spi(SPI3_HOST, &io_config, &panel_io));

        // 初始化液晶屏驱动芯片GC9107
        ESP_LOGD(TAG, "Install LCD driver");        
        gc9a01_vendor_config_t gc9107_vendor_config = {
            .init_cmds = gc9107_lcd_init_cmds,
            .init_cmds_size = sizeof(gc9107_lcd_init_cmds) / sizeof(gc9a01_lcd_init_cmd_t),
        };
        esp_lcd_panel_dev_config_t panel_config = {};
        panel_config.reset_gpio_num = DISPLAY_RST_PIN;
        panel_config.rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB;
        panel_config.bits_per_pixel = 16;
        panel_config.vendor_config = &gc9107_vendor_config;

        esp_lcd_new_panel_gc9a01(panel_io, &panel_config, &panel);

        esp_lcd_panel_reset(panel);

        esp_lcd_panel_init(panel);
        esp_lcd_panel_invert_color(panel, false);
        esp_lcd_panel_swap_xy(panel, DISPLAY_SWAP_XY);
        esp_lcd_panel_mirror(panel, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y);
        ESP_ERROR_CHECK(esp_lcd_panel_disp_on_off(panel, true));
        display_ = new GC9107Display(panel_io, panel,
                                    DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_OFFSET_X, DISPLAY_OFFSET_Y, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y, DISPLAY_SWAP_XY);
    }

    // 物联网初始化，添加对 AI 可见设备
    void InitializeIot() {
        auto& thing_manager = iot::ThingManager::GetInstance();
        thing_manager.AddThing(iot::CreateThing("Speaker"));
        thing_manager.AddThing(iot::CreateThing("Screen"));
    }

public:
    magiclick_2p5() :
        main_button_(MAIN_BUTTON_GPIO),
        left_button_(LEFT_BUTTON_GPIO), 
        right_button_(RIGHT_BUTTON_GPIO) {
        InitializeLedPower();
        InitializePowerManager();
        InitializePowerSaveTimer();
        InitializeCodecI2c();
        InitializeButtons();
        InitializeSpi();
        InitializeGc9107Display();
        InitializeIot();
        GetBacklight()->RestoreBrightness();
    }

    virtual Led* GetLed() override {
        static CircularStrip led(BUILTIN_LED_GPIO, BUILTIN_LED_NUM);
        return &led;
    }

    virtual AudioCodec* GetAudioCodec() override {
        static Es8311AudioCodec audio_codec(codec_i2c_bus_, I2C_NUM_0, AUDIO_INPUT_SAMPLE_RATE, AUDIO_OUTPUT_SAMPLE_RATE,
            AUDIO_I2S_GPIO_MCLK, AUDIO_I2S_GPIO_BCLK, AUDIO_I2S_GPIO_WS, AUDIO_I2S_GPIO_DOUT, AUDIO_I2S_GPIO_DIN,
            AUDIO_CODEC_PA_PIN, AUDIO_CODEC_ES8311_ADDR);
        return &audio_codec;
    }

    virtual Display* GetDisplay() override {
        return display_;
    }
    
    virtual Backlight* GetBacklight() override {
        static PwmBacklight backlight(DISPLAY_BACKLIGHT_PIN, DISPLAY_BACKLIGHT_OUTPUT_INVERT);
        return &backlight;
    }

    virtual bool GetBatteryLevel(int& level, bool& charging, bool& discharging) override {
        static bool last_discharging = false;
        charging = power_manager_->IsCharging();
        discharging = power_manager_->IsDischarging();
        if (discharging != last_discharging) {
            power_save_timer_->SetEnabled(discharging);
            last_discharging = discharging;
        }
        level = power_manager_->GetBatteryLevel();
        return true;
    }

    virtual void SetPowerSaveMode(bool enabled) override {
        if (!enabled) {
            power_save_timer_->WakeUp();
        }
        WifiBoard::SetPowerSaveMode(enabled);
    }
};

DECLARE_BOARD(magiclick_2p5);
